Bottle insulator



FIG. 1 is a top plan view of a bottle insulator showing my new design;

FIG. 2 is a left side elevational view thereof the opposite side being amirror image of the side show herein;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof.

The ornamental design for bottle insulator, as shown and described.